package com.jblv.frame.common.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author happyonion.yangtao
 * @version 1.0
 * @title SpringContextUtils
 * @projectName jblv-frame
 * @packageName com.jblv
 * @description SpringContextUtils
 * @date Create at 2020/4/21 23:14
 * @since jdk1.8
 */
@Component
public class SpringContextUtils implements ApplicationContextAware {
    private static final Logger logger = LoggerFactory.getLogger(SpringContextUtils.class);
    private static ApplicationContext applicationContext;

    public SpringContextUtils() {
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (SpringContextUtils.applicationContext == null) {
            SpringContextUtils.applicationContext = applicationContext;
            logger.debug("=============================================="+
                    "========ApplicationContext配置成功,在普通类可以通过调用ToolSpring.getAppContext()获取applicationContext对象,applicationContext="
                    + applicationContext + "==========");
        }
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }
}

